/* USER CODE BEGIN Header */
/**
    ******************************************************************************
    * @file           : main.c
    * @brief          : Main program body
    ******************************************************************************
    * @attention
    *
    * Copyright (c) 2022 STMicroelectronics.
    * All rights reserved.
    *
    * This software is licensed under terms that can be found in the LICENSE file
    * in the root directory of this software component.
    * If no LICENSE file comes with this software, it is provided AS-IS.
    *
    ******************************************************************************
    */
/* USER CODE END Header */
/* Includes ------------------------------------------------------------------*/
#include "main.h"
#include "tim.h"
#include "usart.h"
#include "gpio.h"
#include "FMQ.h"
#include "hx711.h"

/* Private includes ----------------------------------------------------------*/
/* USER CODE BEGIN Includes */

/* USER CODE END Includes */

/* Private typedef -----------------------------------------------------------*/
/* USER CODE BEGIN PTD */

/* USER CODE END PTD */

/* Private define ------------------------------------------------------------*/
/* USER CODE BEGIN PD */
/* USER CODE END PD */

/* Private macro -------------------------------------------------------------*/
/* USER CODE BEGIN PM */

/* USER CODE END PM */

/* Private variables ---------------------------------------------------------*/

/* USER CODE BEGIN PV */

/* USER CODE END PV */

/* Private function prototypes -----------------------------------------------*/
void SystemClock_Config(void);
/* USER CODE BEGIN PFP */

/* USER CODE END PFP */

/* Private user code ---------------------------------------------------------*/
/* USER CODE BEGIN 0 */
// extern variables
extern uint8_t HX711Flag;
extern uint8_t FMQFlag;
extern uint8_t PintfFlag;
extern HX711_TypeDef HX711_Struct;

// Global variables
double HX711_KG = 0;
uint16_t AlarmCount = FMQ_ALARM_TIMER*10;

/* USER CODE END 0 */

/**
    * @brief  The application entry point.
    * @retval int
    */
int main(void)
{
    /* USER CODE BEGIN 1 */

    /* USER CODE END 1 */

    /* MCU Configuration--------------------------------------------------------*/

    /* Reset of all peripherals, Initializes the Flash interface and the Systick. */
    HAL_Init();

    /* USER CODE BEGIN Init */

    /* USER CODE END Init */

    /* Configure the system clock */
    SystemClock_Config();

    /* USER CODE BEGIN SysInit */

    /* USER CODE END SysInit */

    /* Initialize all configured peripherals */
    MX_GPIO_Init();
    MX_USART1_UART_Init();
    MX_TIM2_Init();

    /* USER CODE BEGIN 2 */
    HAL_TIM_Base_Start_IT(&htim2);
    __HAL_UART_ENABLE_IT(&huart1, UART_IT_RXNE);
    HX711_Init();
    /* USER CODE END 2 */

    /* Infinite loop */
    /* USER CODE BEGIN WHILE */

    while (1)
    {
    /* USER CODE END WHILE */
        if(HX711Flag)  // 80ms访问一次，获取HX711数据
        {
            HX711_GetWeight();
            HX711Flag = 0;
        }

        if(HX711_Struct.Ready)
        {
            HX711_KG = HX711_GET_KG(HX711_Struct.Data);
            printf("Weight value is %0.2f Kg\r\n", HX711_KG);
            HX711_Struct.Ready = 0;
            HX711_Struct.Data = 0;
        }

        if(FMQFlag)  // 100ms访问一次，报警器处理
        {
            if(HX711_KG < FMQ_ALARM_VALUE)
            {
                if(AlarmCount < FMQ_ALARM_TIMER*10)
                {
                    AlarmCount++;
                    FMQ_ON();
                }
                else
                {
                    FMQ_OFF();
                }
            }

            else
            {
                AlarmCount = 0;
                FMQ_OFF();
            }
            FMQFlag = 0;
        }

        if(PintfFlag)  // 1000ms访问一次，灯闪烁，打印信息
        {
            HAL_GPIO_TogglePin(GPIOC, GPIO_PIN_13);
            printf("HX711 init Value %d \r\n", HX711_Struct.Init_Value);
            PintfFlag = 0;
        }
    /* USER CODE BEGIN 3 */
    }
    /* USER CODE END 3 */
}

/**
    * @brief System Clock Configuration
    * @retval None
    */
void SystemClock_Config(void)
{
    RCC_OscInitTypeDef RCC_OscInitStruct = {0};
    RCC_ClkInitTypeDef RCC_ClkInitStruct = {0};

    /** Initializes the RCC Oscillators according to the specified parameters
    * in the RCC_OscInitTypeDef structure.
    */
    RCC_OscInitStruct.OscillatorType = RCC_OSCILLATORTYPE_HSE;
    RCC_OscInitStruct.HSEState = RCC_HSE_ON;
    RCC_OscInitStruct.HSEPredivValue = RCC_HSE_PREDIV_DIV1;
    RCC_OscInitStruct.HSIState = RCC_HSI_ON;
    RCC_OscInitStruct.PLL.PLLState = RCC_PLL_ON;
    RCC_OscInitStruct.PLL.PLLSource = RCC_PLLSOURCE_HSE;
    RCC_OscInitStruct.PLL.PLLMUL = RCC_PLL_MUL9;
    if (HAL_RCC_OscConfig(&RCC_OscInitStruct) != HAL_OK)
    {
    Error_Handler();
    }

    /** Initializes the CPU, AHB and APB buses clocks
    */
    RCC_ClkInitStruct.ClockType = RCC_CLOCKTYPE_HCLK|RCC_CLOCKTYPE_SYSCLK
                                |RCC_CLOCKTYPE_PCLK1|RCC_CLOCKTYPE_PCLK2;
    RCC_ClkInitStruct.SYSCLKSource = RCC_SYSCLKSOURCE_PLLCLK;
    RCC_ClkInitStruct.AHBCLKDivider = RCC_SYSCLK_DIV1;
    RCC_ClkInitStruct.APB1CLKDivider = RCC_HCLK_DIV2;
    RCC_ClkInitStruct.APB2CLKDivider = RCC_HCLK_DIV1;

    if (HAL_RCC_ClockConfig(&RCC_ClkInitStruct, FLASH_LATENCY_2) != HAL_OK)
    {
    Error_Handler();
    }
}

/* USER CODE BEGIN 4 */

/* USER CODE END 4 */

/**
    * @brief  This function is executed in case of error occurrence.
    * @retval None
    */
void Error_Handler(void)
{
    /* USER CODE BEGIN Error_Handler_Debug */
    /* User can add his own implementation to report the HAL error return state */
    __disable_irq();
    while (1)
    {
    }
    /* USER CODE END Error_Handler_Debug */
}

#ifdef  USE_FULL_ASSERT
/**
    * @brief  Reports the name of the source file and the source line number
    *         where the assert_param error has occurred.
    * @param  file: pointer to the source file name
    * @param  line: assert_param error line source number
    * @retval None
    */
void assert_failed(uint8_t *file, uint32_t line)
{
    /* USER CODE BEGIN 6 */
    /* User can add his own implementation to report the file name and line number,
         ex: printf("Wrong parameters value: file %s on line %d\r\n", file, line) */
    /* USER CODE END 6 */
}
#endif /* USE_FULL_ASSERT */
